Clamp.



G. H. SCHIEK & G. P. BITTERMANN.

CLAMP.

APPLICATION FILED OCT. 12. 1914.

COLUMBIA PLANOQRAPH 60., WASHINGTON, D. C.

Patented July 6, 1915.-

IINI IED @TATEE GEORGE H. SCHIEK AND GEORGE P. BITTERMANN, OF JOLIET,ILLINOIS.

CLAMP.

Lid-5,514.

fication.

Our invention is a two-part foldable clamp, one part adjustable on theother, and the objects are to increase the adaptablity to materials tobe clamped and to make the device compact and convenient to handle whennot in operation.

In the accompanying drawing which illustrates our inventi0nFigure 1 is aside elevation of the device. Fig. 2 is a top view of the yoke of thedevice.

The yoke 1 is slidable upon the clamp plate 2 by means of slot 8 in saidyoke, and said yoke is adjustable on said clamp plate at any pointdesired by means of the prong 3 and one of the notches 7 and istightened in such position when the device is clamped to any work shoptable or similar object by means of thumbscrew 5, washer 9 and jaw 6,after which, the device is in shape for dressing or filing wooden ormetal material clamped by means of thumb-screw 5, jaw 4: and washer 9.As can be seen, the device has two distinct members that can be readilydetached from each other and folded, one on the other, as soon as thedevice, itself, is detached from whatever object it has Specification ofLetters Patent.

Application filed October 12, 1914.

Patented July 6, 1915. Serial No. 866,216.

been. clamped to. In this way, the device, when not in operation, can beput in a convenient shape for carrying from one place to another.

What we claim, is

A two-part adjustable and detachable clamp, comprising, a base-plateprovided with a series of transverse notches or grooves on one of itsstraight sides; a clamp-jaw on the turned end of said base-plate; a yokeslida-ble over said base-plate by means of a slot in said yoke; a prongformed integrally with said yoke and adapted to be engaged by any one ofsaid notches; a thumb-screw operable through a threaded boxing at oneend of said yoke; a clamp washer connectible to the end of saidthumb-screw in a position opposite to said clamp jaw, whereby, said yokemay be made rigid on said base-plate when the device is clamped to anyobject; a thumb-screw bolt operable through a threaded'boxing in theturned end of said yoke; a clamp-washer connectible to the end of saidthumb-screw bolt; a clamp-jaw so connected to said yoke as to beopposite to said clamp-washer, whereby materials may be held rigidly fordressing, all as described and set forth.

GEORGE H. SCHIEK. GEORGE P. BITTERMANN.

Witnesses:

JOSEPH C. ZINSER, STEPHEN A. Goonsrnno.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. O.

